{"id":"https://openalex.org/W1532804898","doi":"https://doi.org/10.1109/ijcnn.2005.1556078","title":"The evolving tree, a hierarchical tool for unsupervised data analysis","display_name":"The evolving tree, a hierarchical tool for unsupervised data analysis","publication_year":2006,"publication_date":"2006-01-05","ids":{"openalex":"https://openalex.org/W1532804898","doi":"https://doi.org/10.1109/ijcnn.2005.1556078","mag":"1532804898"},"language":"en","primary_location":{"id":"doi:10.1109/ijcnn.2005.1556078","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ijcnn.2005.1556078","pdf_url":null,"source":{"id":"https://openalex.org/S4363609022","display_name":"Proceedings. 2005 IEEE International Joint Conference on Neural Networks, 2005.","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings. 2005 IEEE International Joint Conference on Neural Networks, 2005.","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5019974612","display_name":"Jussi Pakkanen","orcid":null},"institutions":[{"id":"https://openalex.org/I32943570","display_name":"Helsinki Institute for Information Technology","ror":"https://ror.org/05kph4940","country_code":"FI","type":"facility","lineage":["https://openalex.org/I133731052","https://openalex.org/I32943570","https://openalex.org/I9927081"]}],"countries":["FI"],"is_corresponding":true,"raw_author_name":"J. Pakkanen","raw_affiliation_strings":["Laboratory of Computer and Information Science, Helsinki University of Technology, Finland","Lab. of Comput. & Inf. Sci., Helsinki Univ. of Technol., Finland"],"affiliations":[{"raw_affiliation_string":"Laboratory of Computer and Information Science, Helsinki University of Technology, Finland","institution_ids":["https://openalex.org/I32943570"]},{"raw_affiliation_string":"Lab. of Comput. & Inf. Sci., Helsinki Univ. of Technol., Finland","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5098494642","display_name":"J. livarinen","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"J. livarinen","raw_affiliation_strings":["Lab. of Comput. & Inf. Sci., Helsinki Univ. of Technol., Finland"],"affiliations":[{"raw_affiliation_string":"Lab. of Comput. & Inf. Sci., Helsinki Univ. of Technol., Finland","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5085424325","display_name":"Erkki Oja","orcid":null},"institutions":[{"id":"https://openalex.org/I32943570","display_name":"Helsinki Institute for Information Technology","ror":"https://ror.org/05kph4940","country_code":"FI","type":"facility","lineage":["https://openalex.org/I133731052","https://openalex.org/I32943570","https://openalex.org/I9927081"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"E. Oja","raw_affiliation_strings":["Laboratory of Computer and Information Science, Helsinki University of Technology, Finland","Lab. of Comput. & Inf. Sci., Helsinki Univ. of Technol., Finland"],"affiliations":[{"raw_affiliation_string":"Laboratory of Computer and Information Science, Helsinki University of Technology, Finland","institution_ids":["https://openalex.org/I32943570"]},{"raw_affiliation_string":"Lab. of Comput. & Inf. Sci., Helsinki Univ. of Technol., Finland","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5019974612"],"corresponding_institution_ids":["https://openalex.org/I32943570"],"apc_list":null,"apc_paid":null,"fwci":1.2237,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.76979678,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"3","issue":null,"first_page":"1395","last_page":"1399"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10320","display_name":"Neural Networks and Applications","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10320","display_name":"Neural Networks and Applications","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11975","display_name":"Evolutionary Algorithms and Applications","score":0.9818999767303467,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12205","display_name":"Time Series Analysis and Forecasting","score":0.9811000227928162,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8221825361251831},{"id":"https://openalex.org/keywords/tree","display_name":"Tree (set theory)","score":0.7174333333969116},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5389348864555359},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.5387751460075378},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.5330489873886108},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.4683460593223572},{"id":"https://openalex.org/keywords/artificial-neural-network","display_name":"Artificial neural network","score":0.46351754665374756},{"id":"https://openalex.org/keywords/tree-structure","display_name":"Tree structure","score":0.4196811616420746},{"id":"https://openalex.org/keywords/binary-tree","display_name":"Binary tree","score":0.16607937216758728},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.09198769927024841},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.07309186458587646}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8221825361251831},{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.7174333333969116},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5389348864555359},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.5387751460075378},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.5330489873886108},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.4683460593223572},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.46351754665374756},{"id":"https://openalex.org/C163797641","wikidata":"https://www.wikidata.org/wiki/Q2067937","display_name":"Tree structure","level":3,"score":0.4196811616420746},{"id":"https://openalex.org/C197855036","wikidata":"https://www.wikidata.org/wiki/Q380172","display_name":"Binary tree","level":2,"score":0.16607937216758728},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.09198769927024841},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.07309186458587646},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ijcnn.2005.1556078","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ijcnn.2005.1556078","pdf_url":null,"source":{"id":"https://openalex.org/S4363609022","display_name":"Proceedings. 2005 IEEE International Joint Conference on Neural Networks, 2005.","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings. 2005 IEEE International Joint Conference on Neural Networks, 2005.","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W98259786","https://openalex.org/W1485800236","https://openalex.org/W1502599625","https://openalex.org/W1539451764","https://openalex.org/W1968784568","https://openalex.org/W1987490795","https://openalex.org/W2010150441","https://openalex.org/W2025357764","https://openalex.org/W2112668677","https://openalex.org/W2168487341","https://openalex.org/W4245176872","https://openalex.org/W4388297464","https://openalex.org/W6603963737"],"related_works":["https://openalex.org/W2093885745","https://openalex.org/W2351266481","https://openalex.org/W2132547887","https://openalex.org/W2516987005","https://openalex.org/W2907786475","https://openalex.org/W2963447120","https://openalex.org/W4289082820","https://openalex.org/W2092152400","https://openalex.org/W2071459461","https://openalex.org/W2374869555"],"abstract_inverted_index":{"We":[0,22,36,45],"present":[1],"and":[2],"examine":[3],"a":[4,55],"tree-shaped":[5],"self-organizing":[6],"neural":[7],"network":[8],"called":[9],"the":[10,25,39,51],"evolving":[11,52],"tree.":[12],"It":[13],"has":[14],"been":[15],"designed":[16],"to":[17],"efficiently":[18],"analyze":[19,38],"large":[20],"databases.":[21],"show":[23],"how":[24],"system's":[26,40],"architecture":[27],"makes":[28],"it":[29],"efficient":[30],"for":[31,58],"these":[32],"kinds":[33],"of":[34],"tasks.":[35],"then":[37],"behaviour":[41],"under":[42],"different":[43],"circumstances.":[44],"find":[46],"that,":[47],"despite":[48],"being":[49],"simple,":[50],"tree":[53],"is":[54],"suitable":[56],"tool":[57],"unsupervised":[59],"data":[60],"analysis.":[61]},"counts_by_year":[{"year":2014,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}